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International Comfort Products PGMD18G0405 Air Pressure Switch
The actual job of this type of switch is to determine whether or not the primary blower is running. Various air pressure switches may have a manual reset, by which you must manually reset it before the HVAC system will continue. This switch is a very critical piece of the safety system that is in place to keep you safe from injury or explosions.
Symptoms that your HVAC Air Pressure Switch is Already Going Bad
- The desired temperature in the house is hardly ever attained.
- Incorrect voltage range being read.
- The furnace or AC is unable to run.
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